4020232331111 has 4 divisors (see below), whose sum is σ = 4086137779224. Its totient is φ = 3954326883000.

The previous prime is 4020232331083. The next prime is 4020232331119. The reversal of 4020232331111 is 1111332320204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4020232331111 - 2¹⁴ = 4020232314727 is a prime.

It is a super-2 number, since 2×4020232331111² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020232331119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32952723965 + ... + 32952724086.

It is an arithmetic number, because the mean of its divisors is an integer number (1021534444806).

Almost surely, 2^{4020232331111} is an apocalyptic number.

4020232331111 is a deficient number, since it is larger than the sum of its proper divisors (65905448113).

4020232331111 is an equidigital number, since it uses as much as digits as its factorization.

4020232331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65905448112.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 4020232331111 its reverse (1111332320204), we get a palindrome (5131564651315).

The spelling of 4020232331111 in words is "four trillion, twenty billion, two hundred thirty-two million, three hundred thirty-one thousand, one hundred eleven".